diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 8dc54a01..6d76e742 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -19,4 +19,4 @@ jobs:
           persist-credentials: false
 
       - name: build
-        run: make -C nx -j2
+        run: make -C nx -j$(nproc)